Optimal Long-Term Aircraft Carrier Deployment Planning with Synchronous Depot Level Maintenance Scheduling

Optimal Long-Term Aircraft Carrier Deployment Planning with Synchronous Depot Level Maintenance Scheduling
Author: Mehmet Ayik
Publisher:
Total Pages: 116
Release: 1998-03-01
Genre:
ISBN: 9781423562047

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Forward deployment of Navy aircraft carrier battle groups is a primary means for the United States to achieve overseas interests. The Navy maintains the forward presence of aircraft carriers in three major Areas of Responsibility (AORs): the Mediterranean Sea, the Persian Gulf, and the Western Pacific. Considering the cost of carrier operations and the desire to maximize coverage of the AORs, planning deployments for the carriers not only significantly affects the achievement of U.S. defense strategy, but also impacts the Navy financially. Previous studies have maximized the deployment of aircraft carriers to the AORs while strictly adhering to the fixed, long-range maintenance schedules published by the Planning and Engineering for Repairs and Alterations Activity for Aircraft Carriers (PERA CV). This thesis optimizes aircraft carrier deployment planning while shifting the pre-scheduled maintenance availabilities well within limits allowed by the Chief of Naval Operations (CNO). This synchronous planning of deployments and major maintenance yields at least 15% more planned coverage in the AORs with the existing carrier fleet Such an increase had heretofore been thought to require three additional aircraft carriers.

A Methodology for Estimating the Effect of Aircraft Carrier Operational Cycles on the Maintenance Industrial Base

A Methodology for Estimating the Effect of Aircraft Carrier Operational Cycles on the Maintenance Industrial Base
Author: Roland J. Yardley
Publisher: Rand Corporation
Total Pages: 106
Release: 2007
Genre: Political Science
ISBN: 0833041827

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The Fleet Response Plan is a U.S. Navy program to enhance the operational availability of the aircraft carrier fleet. This report describes program modeling that varies the time between depot availabilities and the size of the depot work packages, to estimate its effect on the maintenance industrial base and the operational availability of the aircraft carrier fleet.

Impacts of the Fleet Response Plan on Surface Combatant Maintenance

Impacts of the Fleet Response Plan on Surface Combatant Maintenance
Author: Roland J. Yardley
Publisher: Rand Corporation
Total Pages: 72
Release: 2006
Genre: Business & Economics
ISBN: 0833039431

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To achieve a more responsive and more readily deployable fleet of surface combatants, the Navy adopted the Fleet Response Plan (FRP) in 2003 to replace its traditional ship maintenance and readiness cycle. The goal of the FRP is to have non-deployed ships achieve a high level of readiness earlier and to maintain high readiness longer so that they can deploy on short notice. However, a challenge of implementing the FRP is establishing the processes and procedures, as well as a ready industrial base, to facilitate maintenance planning and execution to meet the now unpredictable FRP surge requirements and maintenance demands. By concentrating specifically on the DDG-51 class of destroyers, the authors of this report look at the effects the FRP has had thus far and determine whether maintenance resources are meeting maintenance demands and whether related industry resources have been coordinated effectively. Overall, the authors determine that the initiative appears to have promising effects but that more time will be needed to assess maintenance supply and demand apart from the increase of funding tied to military operations post-September 11, 2001.

The Impact of Long-Term Aircraft Carrier Maintenance Scheduling on the Fleet Readiness Plan

The Impact of Long-Term Aircraft Carrier Maintenance Scheduling on the Fleet Readiness Plan
Author: Matthew H. Hall
Publisher:
Total Pages: 87
Release: 2004-09-01
Genre:
ISBN: 9781423522393

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Maintaining the Fleet Readiness Plan (FRP) construct of six aircraft carriers available within 30 days, plus two additional carriers available within 90 days is a difficult task. Maintenance requirements on carriers alone make satisfying the FRP a challenging scheduling problem. We develop a carrier maintenance scheduling model with a goal to meet, as best as possible, the FRP requirements over a ten-year period, while obeying simple maintenance facility constraints. This model allows us to anticipate gaps in coverage and also quantitatively assess the benefit, or burden, of resizing the fleet. We conclude that by increasing the average cycle time for a Carrier Strike Group (CSG) to 27 months we can meet the FRP requirements continuously after an initial maintenance adjustment period of 62 months.

Optimal Aircraft Carrier Deployment Scheduling

Optimal Aircraft Carrier Deployment Scheduling
Author: Craig T. Schauppner
Publisher:
Total Pages: 67
Release: 1996-03-01
Genre: Aircraft carriers
ISBN: 9781423575443

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The Navy's peacetime mission is 'to conduct forward presence operations to help shape the strategic environment by deterring conflict, building interoperability, and by responding, as necessary, to fast breaking crises with the demonstration and application of credible combat power. 'To meet this mission, the Navy deploys aircraft carriers to forward positions throughout the world. A new nuclear powered aircraft carrier costs over $3.4 billion dollars and when deployed carries over 6,000 personnel onboard. Considering the cost and the man hours involved in carrier operations judicious and effective use of these valuable assets is imperative. The CINCPACFLT Operations Department maintains a five year deployment plan for the six carriers assigned to the Pacific Fleet. Currently, the deployment schedule is produced manually. A feasible five year plan typically takes the carrier scheduling officer one week to generate. This thesis presents an optimization based tool to assist in constructing deployment schedules that maximize the forward presence of Pacific Fleet carriers. The underlying optimization model is different from those in the literature. Instead of using a set covering approach, the problem is formulated as a shortest path problem with side constraints. This formulation allows the problem to be solved more rapidly, thus allowing more opportunities for sensitivity and trade-off analyses.

Increasing Aircraft Carrier Forward Presence

Increasing Aircraft Carrier Forward Presence
Author: Roland J. Yardley
Publisher: Rand Corporation
Total Pages: 94
Release: 2008
Genre: History
ISBN:

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The authors assess several one- and two-deployment cycles, assuming a deployment length of six months and a time-between-deployments length equal to twice the duration of the previous deployment. Among many findings, RAND concludes that shorter cycles can increase the forward presence of the carrier fleet and help level shipyard workloads. Longer, two-deployment cycles can increase forward presence, but may result in shipyard workload complications and deferred-work backlogs."--BOOK JACKET.

Optimally Scheduling EA-6B Depot Maintenance and Aircraft Modification Kit Procurement

Optimally Scheduling EA-6B Depot Maintenance and Aircraft Modification Kit Procurement
Author: Rosser O. Baker
Publisher:
Total Pages: 69
Release: 2000-09-01
Genre:
ISBN: 9781423551232

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The Department of the Navy maintains a fleet of 124 EA-6B aircraft, the only tactical electronic warfare aircraft in the Department of Defense inventory. Already 30 years old and not to be retired until 2015, the EA-6B requires depot maintenance services to remain combat ready. EA-6B aircraft undergo standard depot level maintenance (SDLM) about every eight years. In addition to SDLM, depots must complete 72 wing center section replacement services and over 175 major aircraft modification services by 2010. Navy regulations govern when each EA-6B is eligible for each service; these rules are flexible enough to allow more induction schedules than can be evaluated manually in a reasonable amount of time. Because each service keeps an aircraft at the depot for six to 14 months and performing multiple services together requires less time than performing services independently, services should be combined whenever possible. This thesis introduces DMAAP (Depot Maintenance And Acquisition Planner); a prototypic optimization based decision support tool to assist in scheduling EA-6B depot level maintenance services and major aircraft modification kit acquisition. DMAAP produces a Master Plan (induction schedule) providing a monthly schedule for the first six years, a yearly schedule out to 2013 and yearly major aircraft modification kit acquisition levels out to 2010. We compare DMAAP Master Plans obtained using alternate depot induction policies to demonstrate DMAAP's ability and show how yearly depot workloads and yearly operational aircraft vary under alternate policies.

Optimally Scheduling EA-6B Depot Maintenance and Aircraft Modification Kit Procurement

Optimally Scheduling EA-6B Depot Maintenance and Aircraft Modification Kit Procurement
Author: Rosser O. Baker
Publisher:
Total Pages: 56
Release: 2000
Genre:
ISBN:

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The Department of the Navy maintains a fleet of 124 EA-6B aircraft, the only tactical electronic warfare aircraft in the Department of Defense inventory. Already 30 years old and not to be retired until 2015, the EA-6B requries depot maintenance services to remain combat ready. EA-6B aircraft undergo standard depot level maintenance (SDLM) about every eight years. In addition to SDLM, depots must complete 72 wing center section replacement services and over 175 major aircraft modification services by 2010. Navy regulations govern when each EA-6B is eligible for each service; these rules are flexible enough to allow more induction schedules than can be evaluated manually in a reasonable amount of time. Because each service keeps an aircraft at the depot for six to 14 months and performing multiple services together requires less time than performing services independently, services should be combined whenever possible. This thesis introduces DMAAP (Depot Maintenance And Acquisition Planner); a prototypic optimization based decision support tool to assist in scheduling EA-6B depot level maintenance services and major aircraft modification kit acquisition. DMAAP produces a Master Plan (induction schedule) providing a monthly schedule for the first six years, a yearly schedule out to 2013 and yearly major aircraft modification kit acquisition levels out to 2010. We compare DMAAP Master Plans obtained using alternate depot induction policies to demonstrate DMAAP's ability and show how yearly depot workloads and yearly operational aircraft vary under alternate policies.

A Methodology for Estimating the Effect of Aircraft Carrier Operational Cycles on the Maintenance Industrial Base

A Methodology for Estimating the Effect of Aircraft Carrier Operational Cycles on the Maintenance Industrial Base
Author:
Publisher:
Total Pages: 0
Release: 2007
Genre:
ISBN:

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Over the next two decades, the United States Navy will, at any one time, have a fleet of ten to 12 aircraft carriers. Of these, two or three will be continuously deployed and on-station at any one time in its major overseas operational areas of the Mediterranean, the Indian Ocean and Persian Gulf region, and the Western Pacific, in support of combatant commanders. In addition, the Navy intends to surge carriers (including those already deployed) so that a total of six carriers can be provided to combatant commanders within 30 days and another carrier within 90 days. The ability of the Navy to meet all these requirements is constrained both by the six-month limit on deployment length and by the intensive training and maintenance demands of aircraft carriers. The Navy has considered the six-month limit on deployments and the predictability of Carrier Strike Groups (CSGs) rotation key to maintaining forward presence while meeting personnel recruiting and retention goals. In addition, maintenance is constantly being performed on aircraft carriers, with nearly a third of a carrier's lifetime being spent either preparing for or actually in depot-level repair availabilities, in which it is not deployable.

Increasing Aircraft Carrier Forward Presence: Changing the Length of the Maintenance Cycle

Increasing Aircraft Carrier Forward Presence: Changing the Length of the Maintenance Cycle
Author:
Publisher:
Total Pages: 0
Release: 2008
Genre:
ISBN:

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The U.S. Navy currently maintains a fleet of 11 aircraft carriers. These ships, which are among the most powerful and versatile elements of U.S. naval forces, allow the Navy to undertake a wide range of tasks. They are also among the most complex weapon systems operated by the Navy. The carriers themselves need continuous and regularly scheduled maintenance. Their crews require a great deal of training to attain and sustain readiness levels. The length of the training, readiness, deployment, and maintenance cycle (defined as the period from the end of one depot maintenance period to the end of the next), the type of maintenance needed (i.e., docking or non-docking), and the timing of events within the cycle affect the carrier's availability to meet operational needs.